HP UX 11i Secure Shell Software Table of Contents

Table of Contents
Introduction ...................................................................................................................................	3
Terminology...................................................................................................................................	3
Administrator Notes ........................................................................................................................	4
Kernel Tunable Parameters............................................................................................................	4
Cautions....................................................................................................................................	5
Programmer Notes..........................................................................................................................	5
Correct Handling of PID and Number of Processes............................................................................	5
Use pid_t for PID, PGID, SID Values ............................................................................................	6
Use 32-bit int for Process Counters..............................................................................................	6
Comparision Checks on PIDs .....................................................................................................	6
Use Data Structures Other Than Arrays for Tracking.......................................................................	6
Print/Display Formats for Ten Decimal Digits ................................................................................	6
Incorrect Handling.......................................................................................................................	6
Using 16-Bit short or unsigned short for PIDs.................................................................................	6
Using 16-Bit Data Types for Process (or Thread) Counts..................................................................	7
Checking Against MAXPID, PID_MAX, or 30,000 .........................................................................	7
Using Arrays to Track Processes .................................................................................................	7
Five Decimal Digits ..................................................................................................................	7
Temporary File Name Parsing....................................................................................................	8
Special PIDs ...........................................................................................................................	8
Additional Issues.........................................................................................................................	8
pstat_getfile() ..........................................................................................................................	8
shmctl() ..................................................................................................................................	8
_CLASSIC_TYPES.....................................................................................................................	8
Performance of Programs Using pstat_getproc() ............................................................................	8
nproc ....................................................................................................................................	9
Algorithm Scaling ....................................................................................................................	9
Detecting Program Sources That Make Incorrect Assumptions..............................................................	9
Testing ....................................................................................................................................	10
Testing Large PIDs..................................................................................................................	10
Testing Large Numbers of Processes..........................................................................................	10
For more information.....................................................................................................................	11